<?php
/**
 * Vyraz pre SQL
 * @author Tomas Srna
 * @package bakalarka
 */

class Expression
{
	/**
	 * Retazec
	 */
	private $_str = "";
	
	/**
	 * Konstruktor
	 */
	public function __construct($str)
	{
		$this->_str = $str;
	}
	
	/**
	 * Pretypovanie na string
	 */
	public function __toString()
	{
		return (string)$this->_str;
	}
}
